C++ (Cpp) mono_threads_core_suspend示例

示例#1

文件： mono-threads.c 项目： Adamcbrz/mono

/*
The return value is only valid until a matching mono_thread_info_resume is called
*/
static MonoThreadInfo*
mono_thread_info_suspend_sync (MonoNativeThreadId tid, gboolean interrupt_kernel, const char **error_condition)
{
	MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();	
	MonoThreadInfo *info = mono_thread_info_lookup (tid); /*info on HP1*/
	if (!info) {
		*error_condition = "Thread not found";
		return NULL;
	}

	MONO_SEM_WAIT_UNITERRUPTIBLE (&info->suspend_semaphore);

	/*thread is on the process of detaching*/
	if (mono_thread_info_run_state (info) > STATE_RUNNING) {
		mono_hazard_pointer_clear (hp, 1);
		*error_condition = "Thread is detaching";
		return NULL;
	}

	THREADS_DEBUG ("suspend %x IN COUNT %d\n", tid, info->suspend_count);

	if (info->suspend_count) {
		++info->suspend_count;
		mono_hazard_pointer_clear (hp, 1);
		MONO_SEM_POST (&info->suspend_semaphore);
		return info;
	}

	if (!mono_threads_core_suspend (info)) {
		MONO_SEM_POST (&info->suspend_semaphore);
		mono_hazard_pointer_clear (hp, 1);
		*error_condition = "Could not suspend thread";
		return NULL;
	}

	if (interrupt_kernel) 
		mono_threads_core_interrupt (info);

	++info->suspend_count;
	info->thread_state |= STATE_SUSPENDED;
	MONO_SEM_POST (&info->suspend_semaphore);

	return info;
}

示例#2

文件： mono-threads.c 项目： Alkarex/mono

/*
The return value is only valid until a matching mono_thread_info_resume is called
*/
static MonoThreadInfo*
mono_thread_info_suspend_sync (MonoNativeThreadId tid, gboolean interrupt_kernel)
{
	MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();	
	MonoThreadInfo *info = mono_thread_info_lookup (tid); /*info on HP1*/
	if (!info)
		return NULL;

	EnterCriticalSection (&info->suspend_lock);

	/*thread is on the process of detaching*/
	if (mono_thread_info_run_state (info) > STATE_RUNNING) {
		mono_hazard_pointer_clear (hp, 1);
		return NULL;
	}

	THREADS_DEBUG ("suspend %x IN COUNT %d\n", tid, info->suspend_count);

	if (info->suspend_count) {
		++info->suspend_count;
		mono_hazard_pointer_clear (hp, 1);
		LeaveCriticalSection (&info->suspend_lock);
		return info;
	}

	if (!mono_threads_core_suspend (info)) {
		LeaveCriticalSection (&info->suspend_lock);
		mono_hazard_pointer_clear (hp, 1);
		return NULL;
	}

	if (interrupt_kernel) 
		mono_threads_core_interrupt (info);

	++info->suspend_count;
	info->thread_state |= STATE_SUSPENDED;
	LeaveCriticalSection (&info->suspend_lock);
	mono_hazard_pointer_clear (hp, 1);

	return info;
}